This document discusses the basic components and workings of a computer. It covers binary number representation, data and instruction processing, the central processing unit (CPU) and its role, the basic sections of a CPU including memory, arithmetic logic unit (ALU), control unit, and output unit. The CPU contains a program counter, memory address register, instruction register, control unit, accumulator, ALU, and output register to process instructions and data.

1. How a Computer Works First we should know Binary number system Representation in computers Data and instruction What is a μp and where does it lie in a computer? Basic sections of a μp Memory ALU Control unit Output unit

2. Basic Components Of a μp PC MAR Memory IR CU Accumulator ALU B Register Out Register Display